This car ramp painting activity can be done inside or outside! So much fun for kids! The following post contains affiliate links, which means that at no extra cost to you I can make a tiny bit of money to help support this blog. Thank you! My son is always asking me for 'Hot Wheels Projects' these days. But on the day I planned to do this car ramp painting outside - the weather was not on our side. With some improvisation and help from my husband, we set up an indoor version. We found a long…